US Bridges

Liberty F Cmpg RD over Liberty Falls

Good

County 066, Alaska · Adj Edgerton HWY MP 23 · Structure no. 0285

Built
2009
16 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
20
2018 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Liberty F Cmpg RD over Liberty Falls is a steel stringer/multi-beam or girder carrying Liberty F Cmpg RD over Liberty Falls in County 066, Alaska. It was built in 2009, so it is 16 years old, younger than the Alaska average of 35.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, roughly 1% of them trucks, projected to reach 24 by 2035. The structure is 69 ft (21.1 m) long and 18 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesLiberty F Cmpg RD
CrossesLiberty Falls
LocationAdj Edgerton HWY MP 23
CountyCounty 066
StateAlaska
Coordinates61.62167, -144.54778
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.8 US tons
Inventory rating32.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckSteel plate
Main spans1
Design loadHL 93
Structure length69 ft (21.1 m)
Longest span67 ft (20.5 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2018)
Projected traffic24 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Liberty F Cmpg RD over Liberty Falls built?

It was built in 2009, making it 16 years old in 2025.

What condition is Liberty F Cmpg RD over Liberty Falls in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Liberty F Cmpg RD over Liberty Falls carry?

About 20 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Liberty F Cmpg RD over Liberty Falls?

The structure is 69 ft (21.1 m) long with a longest span of 67 ft (20.5 m) and a deck 18 ft wide.

Who owns Liberty F Cmpg RD over Liberty Falls?

It is owned by the State Park, Forest, or Reservation Agency.